Section 4 –
DESCRIPTION ON OUTRIGGER AND CRANE SAFETY DEVICES
Mini-Crawler Crane M A E D A
4-30 3/2019 MC305C-3
Outrigger Stowing Operation
Standard Operation Sequence,
Machine Status
Activation of Safety Devices
Stow the outriggers.
1. Set and stow the outriggers.
• Work selector switch
"Outrigger"
• Outrigger grounding switch
"ON"
• Setting lamps (red) on display panel
flash
[Outrigger un-set warning lamp flashes]
[Working status lamp (red) ON]
Crane interlock device
• If any of the extension lamps
and setting lamps (total of eight)
goes off, all the crane
operations stop.
2. Extend and stow the
outriggers.
• Outrigger extension switch
"ON"
• Rotate (Stow) the outrigger
rotary and secure at the
specified position with
position pin.
• Stop the engine.
• Extension lamps (red) on display
panel flash
[Outrigger un-set warning lamp flashes]
[Working status lamp (red) ON]
When the machine tilts for
3 degrees or more during
outrigger stowing operation
• Warning buzzer sounds continuously
Crane inclination alarm device is
activated
Machine Travelling Operation
Standard Operation Sequence,
Machine Status
Activation of Safety Devices
Travel the machine.
• Travelling lock lever at
"Travel" position
• Start the engine.
• Operate the travelling levers.
When the machine tilts for
15 degrees or more during
travelling operation
• Warning buzzer sounds continuously
Crane inclination alarm device is
activated
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